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Groups > comp.lang.java.programmer > #31856
| From | Andreas Leitgeb <avl@auth.logic.tuwien.ac.at> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: elementary loops |
| Date | 2015-06-26 09:26 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <slrnmoq6pg.uoi.avl@login.logic.tuwien.ac.at> (permalink) |
| References | <loops-20150622181350@ram.dialup.fu-berlin.de> <mmiu9s$pa$1@gwaiyur.mb-net.net> |
Marcel Mueller <news.5.maazl@spamgourmet.org> wrote:
> On 22.06.15 18.15, Stefan Ram wrote:
>> public class Main
>> { public static void main( final java.lang.String[] args )
>> { short i = -1;
>> int j = -1;
>> for( int k = 0; k < 65; ++k ){ i >>>= 1; j <<= 32; }
> The result of j<<=32 is a no-op and i>>>=1 is unsigned and should become
> zero.
The short i is promoted to int, then the MSB ("sign"-bit) zeroed,
then converted back to short, where it's still -1
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Re: elementary loops Marcel Mueller <news.5.maazl@spamgourmet.org> - 2015-06-26 09:17 +0200
Re: elementary loops Andreas Leitgeb <avl@auth.logic.tuwien.ac.at> - 2015-06-26 09:26 +0000
Re: elementary loops Marcel Mueller <news.5.maazl@spamgourmet.org> - 2015-06-26 13:39 +0200
Re: elementary loops Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-06-26 08:26 -0400
Re: elementary loops Arne Vajhøj <arne@vajhoej.dk> - 2015-06-28 20:12 -0400
Re: elementary loops Marcel Mueller <news.5.maazl@spamgourmet.org> - 2015-06-29 19:50 +0200
Re: elementary loops Arne Vajhøj <arne@vajhoej.dk> - 2015-06-29 13:58 -0400
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